Use a relative adverb to combine each pair of sentences below. The first one has been done for you. 1. This is the house. We often stay in this house in summer. → e.g. This is the house where/in which we often stay in summer. 2. I’ll show you the second-hand bookshop. You can find valuable books in this shop. 3. I have not decided the day. I’ll go to London on that day. 4. He was born on the day. His father was away on that day. 5. The book is a telephone directory. We can look up telephone numbers in this book. 6. Mrs. Brown rang Dr. Brown. He was going to carry out an urgent operation at that moment. 7. The airport is the most modern one. We’re going to arrive at this airport. 8. She doesn’t want to speak of the cause. She divorced her husband because of this cause. 9. The days were the saddest ones. I lived far from home on those days. 10. I never forget the park. We met each other for the first time at this park.

Phương pháp làm:
- Đọc kỹ câu hỏi và xác định từ/cụm từ cần sử dụng
- Tìm động từ phù hợp để hình thành mệnh đề quan hệ
- Đặt từ hoặc cụm từ quan hệ vào câu
- Chỉnh sửa lại câu cho cấu trúc gramatically chính xác

Câu trả lời:
2. I’ll show you the second-hand bookshop where/in which you can find valuable books.
3. I have not decided the day when/on which I’ll go to London.
4. He was born on the day when/on which his father was away.
5. The book is a telephone directory in which/we can look up telephone numbers.
6. Mrs. Brown rang Dr. Brown who was going to carry out an urgent operation at that moment.
7. The airport at which we’re going to arrive is the most modern one.
8. She doesn’t want to speak of the cause because of which she divorced her husband.
9. The days on which I lived far from home were the saddest ones.
10. I never forget the park where/at which we met each other for the first time.

The book is a telephone directory in which we can look up telephone numbers.

He was born on the day when his father was away.

I have not decided the day on which/when I'll go to London.

I’ll show you the second-hand bookshop where/in which you can find valuable books.